复杂外形三维非结构粘性直角网格的生成

在保证非结构网格逻辑关系不变的条件下，采用光顺、投影、分层加密的方法，解决直角网格物面不贴体的难点，建立三维非结构贴体直角网格生成系统，以适应粘性流场和湍流的计算，同时对自适应网格的流场计算进行研究。对航空航天领域几类复杂外形飞行器进行了三维非结构贴体直角网格的生成。

Three Dimension Unstructured Body-fitted Cartesian Grid of Complex Configurations

Under the unchangeable term of data structure the unstructured grid, adopts direct hierarchical smoothing and projection means, resolves the problems of body-fitted Cartesian grid, and establishes three dimension unstructured body-fitted Cartesian grid generations system to adapt the calculation of viscosity and turbulence, and has done underway research to adaptation grid moreover. Based on the research, three dimensions unstructured body-fitted Cartesian grid is generated for some types of complex configurations aircraft in the aviation spaceflight territory. These grids with the well body-fitted performance, can adapt to viscosity and turbulence calculation, maintain the capability that the Cartesian grid adapts to the different complex configurations of monomer either much parts of the body.